Cast
- Lionel Atwill as Dr. Otto von Niemann
- Fay Wray as Ruth Bertin
- Melvyn Douglas as Karl Brettschneider
- Maude Eburne as Aunt Gussie Schnappmann
- George E. Stone as Kringen
- Dwight Frye as Herman Gleib
- Robert Frazer as Emil Borst
- Rita Carlyle as Martha Mueller
- Lionel Belmore as Bürgermeister Gustave Schoen
- William V. Mong as Sauer
Crew
- Frank R. Strayer · Director
- Edward T. Lowe Jr. · Writer
- Phil Goldstone · Producer
- Ira H. Morgan · Cinematographer
- Otis Garrett · Editor